DCN Systems Administrators (CA and WA)

Senior Systems Administrator - Linux / Windows (TS / SCI with FS Poly)

Location : On-site (No Telework) in Annapolis Junction, MD, Fairfax, VA., El Segundo, CA. Tukwila, WA.

Travel : Up to 10%

Join a dynamic team supporting a complex, multi-site IT infrastructure across the U.S., anchored by Red Hat Linux-based High-Performance Computing Clusters. Our environment integrates tools like Cadence, Atlassian, DOORS, GitHub, and includes both Windows PCs and thin clients. Future plans include incorporating Wind River's VxWorks embedded Linux.

Key Responsibilities :

• Implement secure system designs using best practices in software and systems engineering.
• Provide end-to-end IT support in secure lab environments, from desktops to servers.
• Manage system access, patching, and release planning for hardware / software.
• Support classified networks and ensure compliance with security standards.
• Administer and maintain Linux and Windows systems, including virtualized environments.
• Troubleshoot and resolve complex system issues; automate tasks using scripting (e.g., PowerShell).
• Integrate and maintain applications and infrastructure in accordance with RMF / JSIG standards.

Basic Qualifications :

Preferred Qualifications :